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  1. ... also decrease potassium levels. Taking horsetail along with "water pills" might make potassium levels drop too low.ModerateBe cautious with this combination.Talk with your health provider.
  2. ... Comparison of the effects of land-based and water-based therapeutic exercises on the range of ... of willow bark for musculoskeletal pain. Phytother Res. 2009; 23 ( ...